{"id":4269938,"url":"https://alion.io/job/itds-poland-expert-java-microservices-engineer-payments","title":"Expert Java Microservices Engineer – Payments","company":{"id":879,"name":"ITDS Poland","domain":"itds.pl","url":"https://alion.io/company/itds","size_band":"501-1000","is_staffing_agency":false,"employer_type":"staffing","is_intermediary":false,"listed_via":null,"ats_vendor":null,"truth_index":null},"role":"Backend","role_family":"Backend","seniority":"senior","employment_type":"contractor","work_mode":"hybrid","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Kraków, Poland"],"countries":["PL"],"hiring_countries":[],"hiring_countries_total":0,"salary":{"min":27720,"max":33600,"currency":"PLN","period":"month","gross":null,"usd_annual":101412},"salary_estimate":null,"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Apache Kafka","optional":false},{"name":"CI/CD","optional":false},{"name":"Docker","optional":false},{"name":"Grafana","optional":false},{"name":"IAM","optional":false},{"name":"Jaeger","optional":false},{"name":"Java","optional":false},{"name":"Kubernetes","optional":false},{"name":"Linux","optional":false},{"name":"OpenTelemetry","optional":false},{"name":"Prometheus","optional":false},{"name":"Rust","optional":false},{"name":"Service Mesh","optional":false},{"name":"Splunk","optional":false},{"name":"Spring Boot","optional":false},{"name":"SQL","optional":false}],"status":"live","first_seen_at":"2026-11-13T16:15:11Z","employer_posted_date":null,"last_verified_at":"2026-11-13T16:15:11Z","board_verified":false,"closed_at":null,"days_open":0,"trust":{"level":"not_scored","repost_count":null,"flags":[],"days_open":0},"description":"Transform payment processing — engineer resilient, cloud-ready microservices that power the next generation of financial services!\nKrakow-based opportunity with a hybrid work model, including up to 3 remote days per week.\nAs an Expert Java Microservices Engineer – Payments, you will be working for our client, a financial services organization focused on modernizing payment processing capabilities. You will help deliver a lean, reusable payment processing engine that supports future-state architecture, cloud adoption, high availability, and resilient next-generation payment services.\nYour main responsibilities:\nDeliver engineering expertise for future-state payment processing architecture.\nDesign, code, test, debug, and document highly available and resilient software services.\nCreate high-quality code artefacts, robust test scripts, and solutions that meet quality gates.\nSupport the modernization of existing payment systems through cloud-based technology adoption.\nDefine software delivery standards and lead by example within the engineering team.\nAnalyse and resolve technical and business issues, including architectural and development blockers.\nPartner with DevOps teams to enable automated infrastructure delivery, DevSecOps value streams, and CI/CD pipelines.\nReview systems and provide architecture guidance to ensure operational integrity and alignment with global standards.\nYou're ideal for this role if you have:\nAt least 8 years of applied experience as an API Engineer.\nMore than 8 years of programming experience in Java.\nMore than 5 years of experience developing back-end microservices applications.\nStrong expertise in API design and the creation of architectural artefacts, including gap analyses, low-level designs, and data models.\nExpertise in distributed systems design, microservices, and Spring Boot.\nExperience with Kafka, Docker, Kubernetes, and service mesh technologies.\nExpertise in JVM tuning and diagnostics for performance optimization.\nA Bachelor’s degree in Computer Science, Engineering, or a related field.\nIt is a strong plus if you have:\nStrong SQL coding abilities.\nExperience working in a financial institution, particularly in payments.\nExperience with Go and Rust programming languages.\nExperience with Splunk, Grafana, Prometheus, Jaeger, Kiali, OpenTelemetry, cloud networking, IAM, Linux, storage, load balancing, or Kubernetes CNI.\nLanguage Required for the role: Fluent English, both written and verbal.\nEligibility for the role: Only candidates with an existing legal right to work in Europe will be considered for this role.\n#MAKEYourCareerBETTER\nInterested? 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